package week3;

public class li0301{
  public static void main(String[] args){
    String phrase = "Change is inevitable";
    String mutation1,mutation2,mutation3,mutation4;

    System.out.println("Origin string: \""+phrase+"\"");
    System.out.println("Length of string: "+phrase.length());

    mutation1=phrase.concat(",except from vending machines.");
    mutation2=mutation1.toUpperCase();
    mutation3=mutation2.replace('E','X');
    mutation4=mutation3.substring(3,30);

    System.out.println("Mutation #1: "+mutation1);
    System.out.println("Mutation #2: "+mutation2);
    System.out.println("Mutation #3: "+mutation3);
    System.out.println("Mutation #4: "+mutation4);

    System.out.println("Mutation length: "+mutation4.length());
  }
}
